US ZIP Code
40456

Mount Vernon, KY

Rockcastle County  ·  Kentucky

● Active
👥 8,324 Population ↓ 14% since 2019
💰 $46,879 Median HH Income
▼ 39% below avg ↑ 30% since 2019
🎂 45.5 Median Age ↑ 4% since 2019
🏠 $140,600 Median Home Value
▼ 50% below avg ↑ 66% since 2019
🎓 26.2% College Grads
▼ 32% below avg
📊 5.7% Unemployment
▲ 16% above avg ↓ 9% since 2019
ZIP Code Details
ZIP Code40456
CityMount Vernon
StateKentucky (KY)
CountyRockcastle County
Area Code606
Elevation1,121 ft
Latitude37.353471
Longitude-84.319508
TimezoneNew York (DST)
FIPS21203
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.9% (4,152) Female 50.1% (4,172) ♀

Race & Ethnicity

White: 94.9%Hispanic: 1.7%Black: 0.1%Asian: 0.6%Other: 2.3%Race
White94.9%
Hispanic1.7%
Black0.1%
Asian0.6%
Other2.3%

Age Breakdown

Under 5
6%
5–17
14%
18–24
9%
25–44
20%
45–64
30%
65+
11%

Key Indicators

Median Age45.5 yrs ↑ 4% since 2019
Avg Household Size2.28
Below Poverty21.2% ▲ 112% above avg
College Grads26.2% ▼ 32% below avg
Unemployment5.7% ▲ 16% above avg
No HS Diploma151 (3%)
HS Graduate2,037 (40.3%)
Some College850 (16.8%)
Associates691 (13.7%)
Bachelors345 (6.8%)
Graduate Degree977 (19.3%)

Education

No HS: 3%HS Grad: 40.3%Some College: 16.8%Associates: 13.7%Bachelors: 6.8%Graduate: 19.3%Edu
No HS3.0%
HS Grad40.3%
Some College16.8%
Associates13.7%
Bachelors6.8%
Graduate19.3%
Housing & Income

Housing Tenure

Owner: 73.1%Renter: 26.9%Tenure
Owner73.1%
Renter26.9%

Home Value Distribution

Under $50k
20%
$50k–100k
15%
$100k–150k
20%
$150k–200k
13%
$200k–300k
20%
$300k–500k
8%
Over $500k
4%

Financials

Median HH Income$46,879 ▼ 39% below avg ↑ 30% since 2019
Median Home Value$140,600 ▼ 50% below avg ↑ 66% since 2019
Home/Income Ratio3.0x (nat avg ~3.5x)
Median Rent$678/mo ↑ 23% since 2019
Total Units4,111
Vacant Units569
Avg HH Size2.28

Income Distribution

Under $25k
31%
$25k–50k
21%
$50k–75k
15%
$75k–100k
15%
$100k–150k
11%
$150k–200k
3%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
92%
Walked
0%
Work From Home
8%

Commute Time

Under 15 min
39%
15–30 min
24%
30–45 min
18%
Over 45 min
20%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
6%
1960s–1970s
14%
1980s–1990s
24%
2000+
55%

Summary

Total Units4,111
Vacant569
Owner Occupied73.1%
Renter Occupied26.9%
Avg HH Size2.28
Frequently Asked Questions
ZIP code 40456 is in Mount Vernon, KY, in Rockcastle County.
ZIP code 40456 is located in Kentucky (KY).
ZIP code 40456 is in Rockcastle County, KY.
ZIP 40456 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 40456 is 8,324 people (ACS 2023).
The median household income in ZIP code 40456 is $46,879 (ACS 2023).
The median home value in ZIP 40456 is $140,600 (ACS 2023).
About ZIP Code 40456

ZIP code 40456 is located in Mount Vernon, Kentucky, within Rockcastle County. With a population of 8,324, this is a lightly populated ZIP code with a mature community — the median age is 45.5 years. Economically, 40456 is a working-class ZIP code: the median household income of $46,879 is below the national average.

Real estate in ZIP code 40456 represents one of the more affordable housing markets in the country. The median home value of $140,600 is below the national average. Renters can expect to pay around $678 per month in median rent. Homeownership is strong here — 73.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 66% since 2019.

The population of 40456 is primarily White (94.86%). Residents are moderately educated — 26.2% hold a bachelor's degree or higher, which is below the national average. Poverty affects a significant share of residents at 21.2%. Household income has grown by 30% since 2019.

The unemployment rate in 40456 stands at 5.7%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 84%.

Overall, ZIP code 40456 in Mount Vernon, KY is characterized as working-class, moderately educated, a mature community, and predominantly owner-occupied. With 8,324 residents, a median household income of $46,879, and a median home value of $140,600, it offers a clear picture of life in this part of Kentucky.